99854-67-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99854-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,5 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99854-67:
(7*9)+(6*9)+(5*8)+(4*5)+(3*4)+(2*6)+(1*7)=208
208 % 10 = 8
So 99854-67-8 is a valid CAS Registry Number.